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In my opinion, regardless the strategy used on whatever sites, looking back at the amount wagered will always leave players with a hanging mouth, so please ignore all this this breakdown and calculations you are doing and focus on looking exactly at what you have done with gambling , the reason you have wasted so much money and the last question to be asked, if it’s truly worth it?
I have done this for some days now and have really noticed that I have wasted a lot of money and I don’t think it’s worth it. Although I had fun playing but this money could have done very well in the lives of some people. I try to imagine how much lives over 8BTC could have changed, how many school fees it could have paid for the less privileged, but here I have wasted it all on different gambling sites without profits or hope of getting back.
If you lost those money in a short period of time, and you couldn't afford losing such money during that period, that's wrong, and also you shouldn't be risking that amount, in the first place. But I disagree with the approach when people are summing up all their losses over the past several years, and then think what other things they could do with those money. You spent those money on your entertainment. Who knows, maybe you were working better and earning more after relaxing with gambling? You are not adding together all the money spent on, say, going to movie theaters during the last several years, and regretting not spending that on something else, right?